body {
    margin: 0;
    padding: 0;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

input {
    outline: none;
}

.header {
    width: 100%;
    height: 70px;
    background: #333;
}

.header-content {
    display: flex;
    justify-content: space-between;
    width: 1190px;
    height: 70px;
    margin: 0 auto;
}

.header-content .menu-list {
    display: flex;
    color: #fff;
}

.header-content .menu-list li {
    position: relative;
    width: 120px;
    height: 70px;
    text-align: center;
    line-height: 70px;
}
.header-content .menu-list li div{
    position: absolute;
    width: 120px;
    left: 0;
    bottom: 0;
    height: 3px;
    background: red;
    transform: rotateY(90deg);
    transition: .2s linear;
}
/* .header-content .menu-list li:hover div {
    transform: rotateY(0deg);
} */
.header-content .menu-list li.active {
    background: #000;
}

.header-content .menu-list li:hover {
    background: #000;
}
.banner{
    height: 600px;
    background-image: url(../images/search.jpg);
}
.search-box{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 600px;
    height: 60px;
    background:rgb(00,00,00,0.5);
    display: flex;
    padding: 3px;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 25px;
}
.search-box input{
    flex: 5;
    font-size: 25px;
}
.search-box button{
    flex: 1;
    font-size: 25px;
    font-weight: bold;
    color: #666;
}